1166925885 has 8 divisors (see below), whose sum is σ = 1867081440. Its totient is φ = 622360464.

The previous prime is 1166925871. The next prime is 1166925889. The reversal of 1166925885 is 5885296611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1166925885 - 2⁵ = 1166925853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166925889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38897515 + ... + 38897544.

It is an arithmetic number, because the mean of its divisors is an integer number (233385180).

Almost surely, 2^1166925885 is an apocalyptic number.

1166925885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1166925885 is a deficient number, since it is larger than the sum of its proper divisors (700155555).

1166925885 is an equidigital number, since it uses as much as digits as its factorization.

1166925885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77795067.

The product of its digits is 1036800, while the sum is 51.

The square root of 1166925885 is about 34160.2969103022. The cubic root of 1166925885 is about 1052.8045612741.

The spelling of 1166925885 in words is "one billion, one hundred sixty-six million, nine hundred twenty-five thousand, eight hundred eighty-five".